In-line audio controller



FIG. 1 is a perspective view of an in-line audio controller, showing ournew design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top side view thereof; and,

FIG. 7 is a bottom side view thereof.

The broken lines in the drawings show unclaimed subject matter only andform no part of the claimed design.

CLAIM The ornamental design for an in-line audio controller, as shown and described. 